sewerage kanalizácia 6 [vynechat] building parts 2 [vynechat] plastic pipe 2 [vynechat] plastové potrubia 2 [vynechat] časti stavieb 2 [vynechat] armatures 1 [vynechat] armatúry 1 [vynechat] cities and towns 1 [vynechat] dažďová voda 1 [vynechat] domová kanalizácia 1 [vynechat] house drains 1 [vynechat] hydrologic cycle 1 [vynechat] hydrologický cyklus 1 [vynechat] mestá 1 [vynechat] odtok vody 1 [vynechat] pipeline networks 1 [vynechat] potrubné siete 1 [vynechat] rainwater 1 [vynechat] runoff 1 [vynechat] scientific reports 1 [vynechat] stokovanie 1 [vynechat] vedecké práce 1 [vynechat]